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ADT7461AARMZ-REEL7 PDF预览

ADT7461AARMZ-REEL7

更新时间: 2024-11-04 03:58:59
品牌 Logo 应用领域
亚德诺 - ADI 传感器换能器温度传感器输出元件
页数 文件大小 规格书
24页 549K
描述
【1∑C Temperature Monitor with Series Resistance Cancellation

ADT7461AARMZ-REEL7 数据手册

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± ±1°C TemTꢀratꢀTCꢁMonaMꢀCꢂnaꢃCꢄTꢀnTꢅC  
RTꢅnꢅarocTC°rocTllranMo  
C
AD 746±A  
FEATURES  
APPLICATIONS  
On-chip and remote temperature sensor  
0.25°C resolution/1°C accuracy on remote channel  
1°C resolution/1°C accuracy on local channel  
Desktop and notebook computers  
Industrial controllers  
Smart batteries  
Automatically cancels up to 1.5 kΩ (typical) of resistance in  
series with remote diode to allow noise filtering  
Extended, switchable temperature measurement range  
0°C to +127°C (default) or –64°C to +191°C  
Automotive  
Embedded systems  
Burn-in applications  
Instrumentation  
Pin- and register-compatible with ADM1032 and ADT7461  
2-wire SMBus serial interface with SMBus alert support  
Programmable over/under temperature limits  
Offset registers for system calibration  
THERM  
Up to two overtemperature fail-safe  
Small 8-lead MSOP  
outputs  
240 μA operating current, 5 μA standby current  
FUNCTIONAL BLOCK DIAGRAM  
ADDRESS POINTER  
REGISTER  
ON-CHIP  
TEMPERATURE  
SENSOR  
CONVERSION RATE  
REGISTER  
LOCAL TEMPERATURE  
LOW-LIMIT REGISTER  
LOCAL TEMPERATURE  
VALUE REGISTER  
LOCAL TEMPERATURE  
HIGH-LIMIT REGISTER  
REMOTE TEMPERATURE  
LOW-LIMIT REGISTER  
2
3
D+  
D–  
A-TO-D  
CONVERTER  
ANALOG  
MUX  
REMOTE TEMPERATURE  
HIGH-LIMIT REGISTER  
BUSY RUN/STANDBY  
REMOTE TEMPERATURE  
VALUE REGISTER  
LOCAL THERM LIMIT  
REGISTERS  
EXTERNAL THERM LIMIT  
REGISTERS  
REMOTE OFFSET  
REGISTER  
CONFIGURATION  
REGISTERS  
EXTERNAL DIODE OPEN-CIRCUIT  
INTERRUPT  
MASKING  
6
4
ALERT/THERM2  
THERM  
STATUS REGISTER  
ADT7461A  
SMBus INTERFACE  
1
5
7
8
V
GND  
SDATA  
SCLK  
DD  
Figure 1.  
Rev. A  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2006 Analog Devices, Inc. All rights reserved.  
 

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